From owner-freebsd-bugs@FreeBSD.ORG Fri May 23 12:32:55 2014 Return-Path: Delivered-To: freebsd-bugs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id E1E42CFB for ; Fri, 23 May 2014 12:32:54 +0000 (UTC) Received: from mx7.valuehost.ru (mx7.valuehost.ru [217.112.42.214]) by mx1.freebsd.org (Postfix) with ESMTP id 68CF127D6 for ; Fri, 23 May 2014 12:32:53 +0000 (UTC) Received: from mx7.valuehost.ru (localhost.valuehost.ru [127.0.0.1]) by mx7.valuehost.ru (Postfix) with ESMTP id F26E92E184 for ; Fri, 23 May 2014 16:26:14 +0400 (MSK) Date: Fri, 23 May 2014 16:26:04 +0400 From: "Peter B. Pokryshev" To: freebsd-bugs@freebsd.org Subject: Re: LA output, video output, console input/output & netstat TIME_WAIT Message-Id: <20140523162604.d7c7ec5cf981c5f1437df81a@valuehost.ru> In-Reply-To: <20140506182451.b31189e28323f771360cda6a@valuehost.ru> References: <20140506182451.b31189e28323f771360cda6a@valuehost.ru> Organization: ValueHost X-Mailer: Sylpheed 3.4.0beta5 (GTK+ 2.24.22; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 23 May 2014 12:32:55 -0000 On Tue, 6 May 2014 18:24:51 +0400 "Peter B. Pokryshev" wrote: > Hello all. > > 9.2-STABLE FreeBSD 9.2-STABLE #0 r261226 > highload servers > > /etc/sysctl.conf: > security.bsd.see_other_uids=0 > security.bsd.unprivileged_proc_debug=0 > kern.ipc.somaxconn=4096 > net.inet.ip.fw.dyn_max=65536 > net.inet.ip.fw.dyn_syn_lifetime=10 > net.inet.ip.fw.dyn_ack_lifetime=60 > net.inet.ip.fw.dyn_buckets=512 > kern.ipc.shmall=6291456 > kern.ipc.shmmax=134217728 > > /boot/loader.conf: > kern.ipc.shmseg="512" > kern.ipc.shmmni="1024" > > > After 20-35 or more days of uptime, > server stops showing realtime LA: show normal top, but first line not change: > last pid: 29849; load averages: 2.36, 2.32, 2.28 > ^ ^ ^ > | | | > Then, servers stops video output and TCP process in state TIME_WAIT starts grow > until limits: > # netstat -an |grep -c TIME_WAIT > 27800 > > At the console, when I try typing - nothing changes, > BUT when I take out console - I see what I type previously at the monitor. > > Is any idea what is that? > > -- > Peter B. Pokryshev > _______________________________________________ > freebsd-bugs@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-bugs > To unsubscribe, send any mail to "freebsd-bugs-unsubscribe@freebsd.org" Hi. Is it normal after 16 days of uptime: # vmstat -z ITEM SIZE LIMIT USED FREE REQ FAIL SLEEP ... 16 Bucket: 152, 0, 24, 101, 193, 0, 0 32 Bucket: 280, 0, 38, 102, 329, 2, 0 64 Bucket: 536, 0, 30, 33, 487, 142, 0 128 Bucket: 1048, 0, 997, 11, 6717030,17345735, 0 ... mbuf_packet: 256, 12896820, 1449, 1646,9062649837,118865, 0 mbuf: 256, 12896820, 2193, 1762,17686258507, 0, 0 mbuf_cluster: 2048, 2015128, 3095, 1793,26759484,241537,1100807 mbuf_jumbo_page: 4096, 1007563, 2160, 864,2326876443, 0, 0 mbuf_jumbo_9k: 9216, 298537, 0, 0, 0, 0, 0 mbuf_jumbo_16k: 16384, 167927, 0, 0, 0, 0, 0 mbuf_ext_refcnt: 4, 0, 0, 0, 0, 0, 0 I mean 128 Bucket (FAIL) and mbuf_cluster (FAIL SLEEP) # uname -a FreeBSD v80.valuehost.ru 9.2-STABLE FreeBSD 9.2-STABLE #0 r265433: Tue May 6 18:28:22 MSK 2014 ppb@v80.valuehost.ru:/usr/obj/usr/src/sys/OMNIPOTENT amd64 # netstat -m 3099/3951/7050 mbufs in use (current/cache/total) 1392/3496/4888/2015128 mbuf clusters in use (current/cache/total/max) 1392/1703 mbuf+clusters out of packet secondary zone in use (current/cache) 1679/1345/3024/1007563 4k (page size) jumbo clusters in use (current/cache/total/max) 0/0/0/298537 9k jumbo clusters in use (current/cache/total/max) 0/0/0/167927 16k jumbo clusters in use (current/cache/total/max) 10274K/13359K/23634K bytes allocated to network (current/cache/total) 0/241537/118865 requests for mbufs denied (mbufs/clusters/mbuf+clusters) 0/1100807/0 requests for mbufs delayed (mbufs/clusters/mbuf+clusters) 0/0/0 requests for jumbo clusters delayed (4k/9k/16k) 0/0/0 requests for jumbo clusters denied (4k/9k/16k) 0/0/0 sfbufs in use (current/peak/max) 0 requests for sfbufs denied 0 requests for sfbufs delayed 0 requests for I/O initiated by sendfile 0 calls to protocol drain routines # netstat -an |wc -l 29616 # netstat -an | grep -c TIME 27800 May be some problem with counters or timers (IMHO)? -- Peter B. Pokryshev -- Peter B. Pokryshev